Ignition lock



Mar. 20, 1923.

G. M. mums.

IGNITION LOCK.

FILED MAR. I4.' 192i.

2 SHEETS-SHEET I. v

Mar.. Y20, 1923.

IGNITION LOCK.' FILED MAR. 14. 1921.

2 SHEETS-SHEET 2.

Arron/sx 1,448,888. G.V M. WALTERS. y

ll il .Patented lidar. Ztl, i923.

headed GEORG-E lVI. WALTERS, OFVPLESANTVLLE, NEW JERSEY, ASSGNOR OFONE-HALF TO HARRY HERREN POSTOLL, F .ATLANTIC CXTY, NEW JERSEY.

IGNITOIT LOCK.

Application filed Marcio i4,'192l.. Serial No. 452,175.

To all whom t fnv/oy concern it knovn that l, lifronon l" armas, acitizen ot' the United States, residing at the city olI ijleasantville,county ot Atlantic, and imitate oit lieiv Jersey, have invented acertain nen4 and useiiul improved ignition Loek, olf which the'following is a speciiication.

r.llliis invention relates to an ignition lock and has more especialrelation to an ignition lock for use upon motor vehicles.

The leading object ot the present invention is to provide an ignitionlock adapted to prevent the uiniutliorized starting' ot a motn' vehicle.engine. A further object is to provide a lock olf this character whichmay be applied to the dash-board or some other appropriate part oi amotor vel'iicle the parts being so arranged that the device can only beoperated by a person familiar With a given cipher, key or combinationspeciiic to a selected device. @ther and 'l'urther objects relate to theprovisionot gene 'al combinations, arrangements and connections of partstor accomplishing the results sought by the foregoing objects.

The invention consists of the improvements hereinafter described andiinally claimed.

yThe nature, characteristic features and scope ot the invention will bemore fullyv understood 'trom the following.' description taken inconnection with. the accompanying drawings forming part hereol, and inwhich:

Fig. l, is a View in horizontal, central section of a device embodyingfeatures ot the invention.

Fig. 2, is a view in crosseseetion taken upon the line 2N2 of Fig. l.

Fig. 3, is a similar view taken upon the line 3--3 of Fig. l.

Fig. 4, is a tace vienT of the device, and

Figs. 5, 6, 7 and 8, are views in elevation of details of constructionhereinafter referred to.

For the purpose ol illustrating my invention, I have shown in theaccompanying drawings one term thereof which is at present preferred byme, since the same has been found in practice to give satisfactory andreliable result-s, although it is to be understood that the variousinstrumentalities of which my invention consists can be variouslyarranged and organized and that my invenM tion is not limited to theprecise arrangement and organization of the instrumentalities as `hereinshown and described.

ln the drawings, l() designates a casing of any desired material andpreferably of annular configuration. This casing in pracd tice isfitted. Jfor instance, to the dash-board of motor vehicle. Fixed withinsaid casA ing at one end thereof, as by screws ll, is a terminal blockl2 of insulating material, as liber. Fitted to such block are terminal.posts i3, 14, l5, 16, 16 and 16, see Fig. 3, of which i3 mav beconnected to a magneto, lli to lground, l to a battery and 16 to a.timer, in what is termed a straight sysm teni and 1.6 and 16 connectedto coil and magneto respectively in a dual system. llotatably mountedWithin the casing is a spindle 17 provided' at one end With a switch 18,tor bridging tor instance, contacts lil-1.4; or 1 5-16 in a straightsystem at the proper time, and provided at its other end with anoperating handle 19. This sivitchot course is insulated from spindle i7.Fixed to soindle-l7 is an annular member 20 provided With a plurality ofradially di posed channels 2l, see Fig. 3. Concen ti'ically arrangedwith respect to member 20 and removably fixed to easing l0, as by a pin22` is a ring 23. rlhis ring is also provided with a plurality ofradially disposed channels 2t in register with channels 2l, see Fig. E.tipi-ing pressed endivise shittable bolts 25-26 are present in thechannels 21-2/l-, the functions ot which will presently appear. Boltsare cylindrical and bolts 26 are also cylindrical but cut away as at 27as clearly shown in Figs. 7 and 8. Ring 23 is provided annularly With aplurality of channels 28 arranged at right angles to and intersectingchannels 24. Fitted to move endwise through each channel 28 is a plunger29. Normally each plunger 29 engages with a bolt 26, see Fig. l, tointerlock member 2O with ring 23 thus preventing movement oil spindle17. It is to be noted that the cut-away portion 27 of a bolt 26 passesthrough cut-away portion 30 of a plunger 29, and that the beveled part31 of a plunger 29 engages the beveled part 32 of a bolt 26, see Figs. land 3. The bolts 25-26 are arranged according to a prescribed cipher,key or combination specific to each device. For illustrative purposes,(see Fig. 3) three plungers 29 are required to he operated loeforespindle 17 can be moved. Theseare the plungers opposite the graduations.5G-l0, 70m-14A and 2:3-5 as shown in Fig. 4:. ln this connection itwill be noted that bolts 25 complemental to said plungers projectbetween member 2O and ring 23 while in all Lother instances, bolts 25and 26 abut at the division line between said iember and ring. Thus ifthe proper plungers are depressed, bolts 26 shift bolts 25 againstsprings 33 a sulicient distance to permit member 2O to be rotated.However depression ot incorrect plungers serves to move bolts 26 intomember 2O thus preventing movement of member 20. lvlcvement o'l'plungers 29 is accomplished by means olf a spring pressed linger piece8e, movable through rotatable cover plate By progressively moving coverplate so the linger piece 34e comes opposite the proper combinationnumbers and pressing the linger piece to engage and move the properplungers, bolts 26 are caused to function properly for the release ot'member 20. 36 designates a housing carried by cover plate which guidesthe stem 37 of linger niece and also encloses spring 38 thereof. lt alsol'oi'ins a bearing for spindle 17. the spindle may be moved so thatswitch 18 may bel caused to bridge contacts lS-laL or in other wordsbattery and timer contacts. lt will be understood that in this positionol.Z the switch that the previously pressed plungers remain sopositioned and Ythat with the return ot the switch to bridge contactsH16 (magneto-ground contacts) means must be present lor returning saidplungers to original position. lli description oit such means will nowbe given. Movably mounted with respect to member and riip; 3 and alsomovable with respect to spindle i7 and in concentric relation therewithis a disc 39 peripherally provided with .spaced lugs having inclinedsurfaces 40. Disc 39 is provided with a pin Lll as is ring 223.(onnecting these pins is a rolled spring 4t2. Carried by cover plate 35is a pin i3 adapted to engage with pin il when cover plate. by means otlinger piece 34, is moved iii the proper direction and move said disc sothat the inclined surfaces 40 of the lugs ol' said disc engage beneaththe inclined surface 44. oit the plunger heads and restore them tonormal position.

lVith the release of member 20,

Leasess Obviously Vthe bolts 2li-26 return `to normal f position bymeans of springs 33. The disc 39 is slotted as at to permit of saidmovement. ySpring ft2 returns disc 39 to normal position. Should anunauthorized person invention and the above description andv while haveiii the present instance shown de cribed the preferred embodimentthereof which has been found in practice to give satisfactory andreliable results, it is to be understood that the same is susceptible ofmodication in various particulars withoutl departing from the spirit orscope of the invention or sacrificing any of its advantages.

What I claim is:

l. In a device ot the character stated, a rotatable spindle, a memberprovided with radially disposed channels fixed to said spin` dle, a'liXed rino' concentric with said member provided with channels inregister with the channels of said member, spring-pressed pairs of boltslocated in said channels lfor a predetermined interlocking of said inem`ber to said ring, a plunger'complemental to each set of bolts foroperating the same and rotatable means including a' depressiblefinger-piece for selectively operating predeter` mined plungers torelease said member.

2. A construction as described in claim l, characterized by means forreturning said plungers to normal position.

3. A construction as described in claim l.7 characterized by a casingfor inclosing said member and ring said casing being provided with acipher, key or combination for determining the proper plungers to beoperated.

4l., A construction as described iii claim l, characterized by at leastsome of said pairs of bolts being arranged to prevent movement ol.I saidmember upon depression of plungers coniplemental thereto.

In witness whereof, l ,have hereunto signed my name.

GEORGE M. WALTERS.

lll)

